2023
Resting-State Functional Connectivity of the Dorsal and Ventral Striatum, Impulsivity, and Severity of Use in Recently Abstinent Cocaine-Dependent Individuals
Dong X, Zhornitsky S, Wang W, Le T, Chen Y, Chaudhary S, Li C, Zhang S. Resting-State Functional Connectivity of the Dorsal and Ventral Striatum, Impulsivity, and Severity of Use in Recently Abstinent Cocaine-Dependent Individuals. The International Journal Of Neuropsychopharmacology 2023, 26: 627-638. PMID: 37579016, PMCID: PMC10519818, DOI: 10.1093/ijnp/pyac019.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityInferior frontal cortexCocaine-dependent individualsHealthy controlsVentral striatumCocaine useDorsal striatumAbstinent cocaine-dependent individualsCocaine misuseFunctional connectivityYears of drinkingLeft orbitofrontal cortexBIS-11 scoresRecent cocaine useLeft inferior frontal cortexDopaminergic deficitCortex connectivityFrontal cortexSeparate cohortHuman studiesSeverity of useAnimal studiesSecond cohortOrbitofrontal cortexBarratt Impulsivity Scale
2021
Lower prefrontal cortical synaptic vesicle binding in cocaine use disorder: An exploratory 11C‐UCB‐J positron emission tomography study in humans
Angarita GA, Worhunsky PD, Naganawa M, Toyonaga T, Nabulsi NB, Li C, Esterlis I, Skosnik PD, Radhakrishnan R, Pittman B, Gueorguieva R, Potenza MN, Finnema SJ, Huang Y, Carson RE, Malison RT. Lower prefrontal cortical synaptic vesicle binding in cocaine use disorder: An exploratory 11C‐UCB‐J positron emission tomography study in humans. Addiction Biology 2021, 27: e13123. PMID: 34852401, PMCID: PMC8891080, DOI: 10.1111/adb.13123.Peer-Reviewed Original ResearchConceptsCocaine use disorderAnterior cingulate cortexRecent cocaine useSynaptic densityMedial orbitofrontal cortexPrefrontal cortexCocaine useOrbitofrontal cortexUse disordersVentromedial prefrontal cortexPositron emission tomography scanPositron emission tomography studyEmission tomography scanSynaptic vesicle glycoprotein 2AHealthy control subjectsVolume of distributionEmission tomography studiesAcute cocaineControl subjectsTomography scanCocaine exposurePreclinical studiesHC subjectsDendritic spinesLifetime cocaine useReward-Related Responses and Tonic Craving in Cocaine Addiction: An Imaging Study of the Monetary Incentive Delay Task
Zhornitsky S, Dhingra I, Le TM, Wang W, Li CR, Zhang S. Reward-Related Responses and Tonic Craving in Cocaine Addiction: An Imaging Study of the Monetary Incentive Delay Task. The International Journal Of Neuropsychopharmacology 2021, 24: 634-644. PMID: 33822080, PMCID: PMC8378081, DOI: 10.1093/ijnp/pyab016.Peer-Reviewed Original ResearchConceptsCocaine-dependent individualsCocaine Craving QuestionnaireCCQ scoresRecent cocaine useHealthy controlsMonetary incentive delay taskReward-related responsesCocaine useVentral striatumIncentive delay taskMotor cortexReward responsesPrecentral gyrusCocaine addictionPrimary motor cortexSupplementary motor areaDelay taskIntense drug cravingFunctional magnetic resonance imagingMagnetic resonance imagingDrug-seeking behaviorHigher activationReward-related activityMotor areaWhole brain
2020
Resting state hypothalamic and dorsomedial prefrontal cortical connectivity of the periaqueductal gray in cocaine addiction
Zhang S, Zhornitsky S, Wang W, Le TM, Dhingra I, Chen Y, Li C. Resting state hypothalamic and dorsomedial prefrontal cortical connectivity of the periaqueductal gray in cocaine addiction. Addiction Biology 2020, 26: e12989. PMID: 33300238, PMCID: PMC8614224, DOI: 10.1111/adb.12989.Peer-Reviewed Original ResearchConceptsPeriaqueductal grayPain circuitsDrug useCocaine addictionFunctional connectivityPrefrontal cortical connectivityState functional connectivityReward circuit dysfunctionRecent cocaine useHealthy control participantsInferior parietal cortexCompulsive drug useHabitual drug useCircuit dysfunctionCocaine withdrawalCocaine-dependent individualsCocaine cravingCortical connectivitySignificant anxietyDorsomedial prefrontalParietal cortexCocaine useIntrinsic connectivitySubcortical hubsDrug seeking
2019
Hypothalamic Responses to Cocaine and Food Cues in Individuals with Cocaine Dependence
Zhang S, Zhornitsky S, Le TM, Li CR. Hypothalamic Responses to Cocaine and Food Cues in Individuals with Cocaine Dependence. The International Journal Of Neuropsychopharmacology 2019, 22: 754-764. PMID: 31420667, PMCID: PMC6929672, DOI: 10.1093/ijnp/pyz044.Peer-Reviewed Original ResearchConceptsHealthy control participantsHypothalamic activationCocaine useCocaine-dependent participantsFood cuesCocaine addictionHypothalamic responseControl participantsCocaine Craving QuestionnaireRecent cocaine useFunctional magnetic resonance imagingMagnetic resonance imagingCue-related activationsInferior parietal cortexHypothalamic dysfunctionClinical variablesDopaminergic pathwaysTonic cravingFood intakeQuestionnaire scoresRodent studiesVisual cortexParietal cortexResonance imagingHypothalamus